Networks and Network Theorems
Q.1
The circuit components inductors and capacitors are ::
(a) linear and active
(b) linear and passive
(c) non-linear and active
(d) non-linear and passive
Ans :: b
Q.2
Diodes and transistors are ::
(a) linear and active
(b) linear and passive
(c) non-linear and active
(d) non-linear and passive
Ans :: c
Q.3
To get a large capacitance with smaller dimensions one uses ::
(a) mica capacitor
(b) ceramic capacitor
(c) electrolytic capacitor
(d) paper capacitor
Ans :: c
Q.4
A 10:1 step down ideal transformer has 240 V across the primary and 20 ohm resistance across the secondary. The primary current equals ::
(a) 20 mA
(b) 10 mA
(c) 200 mA
(d) none of the above
Ans :: b
Q.5
An ideal voltage source has ::
(a) infinite internal resistance
(b) zero internal resistance
(c) load-dependent current
(d) none of the above
Ans :: b
Q.6
An ideal current source has ::
(a) infinite internal resistance
(b) zero internal resistance
(c) load-dependent current
(d) none of the above
Ans :: a
Q.7
A network with N mesh currents requires for solution ::
(a) N - 1 mesh equations
(b) N mesh equations
(c) N + 1 mesh equations
Ans :: b
Q.8
Network theorems are applicable to ::
(a) only d.c. network
(b) only a.c. network
(c) both a.c. and d.c. networks
Ans :: a
Q.9
Network theorems are ::
(a) independent
(b) not derivable from Kirchhoff's laws
(c) derivable from Kirchhoff's laws
Ans :: c
Q.10
To get the Thevenin voltage one has to ::
(a) open the load
(b) short the load
(c) open the voltage source
(d) replace the voltage source by its internal resistance
Ans :: a
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